Dark Invasion : 1915: Germany's Secret War and the Hunt for the First Terrorist Cell in Americaby Blum, Howard

When the US became a trading partner for the Allies early in World War I, a team of German saboteurs devised a series of "mysterious accidents" that attacked vital targets such as ships, factories, livestock, and even captains of industry like J. P. Morgan. Illustrated with eight pages of black and-white photos, this riveting true-life war thriller chillingly echoes our own time.